Home / 238,562.43-329,212.46-131,130.15

Finding the Fourth Proportional to 238,562.43, 329,212.46 and 131,130.15

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Solution

The fourth proportional to 238,562.43, 329,212.46 and 131,130.15 is: 180,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,562.43 : 329,212.46 = 131,130.15 : x
  2. Step 2: Convert to fraction form
    238,562.43/329,212.46 = 131,130.15/x
  3. Step 3: Cross multiply
    238,562.43x = 329,212.46 × 131,130.15
  4. Step 4: Simplify right side
    238,562.43x = 43,169,678,606.02
  5. Step 5: Solve for x
    x = 43,169,678,606.02/238,562.43
  6. Step 6: Final answer
    x = 180,957.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.